The grout grabber accommodates any joint size from 1/16 to 1/2-inch by simply adding or subtracting replacement blades. Each blade excavates a width of 1/16-inch. Never before has grout removal been this easy, inexpensive and with as little dust. The grout grabber fits in most common reciprocating saws or sawzall using the sawing action to remove grout quickly. The blades unique curved bottom easily gets the blades started in the joint. Special carbide grit helps ensure longer blade life. The grout grabber works great on floors, walls, counter tops, anywhere theres tile or stone. Weather you are doing total regrouts because your grout is cracked or damaged or to change the color, the grout grabber is the tool to have. Also works great as a repair tool for making a relief cut to chisel out cracked or broken tile.